<!DOCTYPE html>
<html lang="en">
<head>

    <meta charset="UTF-8">
    <title>Title</title>
    <!-- Bootstrap -->
    <link href="css/bootstrap.min.css" rel="stylesheet">

    <!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
    <script src="js/jquery-3.2.1.min.js"></script>
    <!-- Include all compiled plugins (below), or include individual files as needed -->
    <script src="js/bootstrap.min.js"></script>
</head>
<body>
<form>
    <div class="form-group" style="width: 150px">
        <label for="exampleInputEmail1">Email address</label>
        <input type="email" class="form-control" id="exampleInputEmail1" placeholder="Email" >
    </div>
    <div class="form-group" style="width: 150px">
        <label for="exampleInputPassword1">Password</label>
        <input type="password" class="form-control" id="exampleInputPassword1" placeholder="Password">
    </div>
    <div class="form-group">
        <label for="exampleInputFile">File input</label>
        <input type="file" id="exampleInputFile">
        <p class="help-block">Example block-level help text here.</p>
    </div>
    <div class="checkbox">
        <label>
            <input type="checkbox"> Check me out
        </label>
    </div>
    <button type="submit" class="btn btn-default">Submit</button>
</form>
</body>
</html>